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Finding the Fourth Proportional to 677,271.51, 934,652.52 and 382,897.80

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Solution

The fourth proportional to 677,271.51, 934,652.52 and 382,897.80 is: 528,409.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,271.51 : 934,652.52 = 382,897.80 : x
  2. Step 2: Convert to fraction form
    677,271.51/934,652.52 = 382,897.80/x
  3. Step 3: Cross multiply
    677,271.51x = 934,652.52 × 382,897.80
  4. Step 4: Simplify right side
    677,271.51x = 357,876,393,672.46
  5. Step 5: Solve for x
    x = 357,876,393,672.46/677,271.51
  6. Step 6: Final answer
    x = 528,409.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.